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A group of old friends return to the beach for one last boys vacation before married life starts for one. All celebrities in their own right, all have their own level of fame.
While Taeil plans to marry his beautiful Joy, Taeyong and Yuta are painfully single. They find themselves embroiled in new friendships and old.
Meeting a school mate after many years along with his brother, his boyfriend and best friend.
New relationships will form to bond this group like no other.

While some things from their pasts are welcomed, others seek to destroy their peace of mind, among other things.